Comparative analysis of phytonutrients of Moringa oleifera leaves from South Africa and Nigeria, and their antimicrobial and antioxidant potentials by UPLC-ESI-QToF-MS and OPLS-DA... by Jonathan Kayembe, Cosa Sekelwa, Kokoette Bassey

“…This study aimed to conduct a comparative analysis of the phytonutrients (nutrients protectors) or supplements, antioxidant, and antimicrobial potentials of M. oleifera leaves from Nigeria and South Africa to benchmark quality control protocols for commercial beverages such as Moringa porridge.MethodsStandard techniques, including high-performance liquid chromatography-photodiode array and ultra-high-performance liquid chromatography electrospray ionization quadruple time-of-flight mass spectrometry (UPLC-ESI-QToF-MS) and chemometrics orthogonal partial least square discriminant analysis (OPLS-DA) were employed for phytoconstituents fingerprinting. …”
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Effectiveness of Different Organic Solvent Additions to Water Samples for Reducing the Adsorption Effects of Organic Pesticides Using Ultra-High-Performance Liquid Chromatography–T... by Yucan Liu, Xinyi Xu, Ying Wang, Yan Zhang, Jianbo Lu, Chengbin Liu, Jinming Duan, Hongwei Sun

“…This study systematically investigated the effect of organic solvent addition on the detection signal intensity of 15 organic pesticides in water using ultra-high-performance liquid chromatography–electrospray ionization–tandem mass spectrometry (UHPLC–ESI–MS/MS). …”
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Determination of Benzalkonium Chloride in a Disinfectant by UV Spectrophotometry and Gas and High-Performance Liquid Chromatography: Validation, Comparison of Characteristics, and... by Mariia Smolinska, Roman Ostapiv, Mariia Yurkevych, Liubov Poliuzhyn, Olha Korobova, Ihor Kotsiumbas, Hryhorii Tesliar

“…GC determination was performed using a flame ionization detector on a glass capillary column ZB-WAX plus 30 m × 0.25 mm with an inner coating thickness of 0.25 μm. …”
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Simultaneous Quantification of 25-Hydroxyvitamin D3 and 24,25-Dihydroxyvitamin D3 in Rats Shows Strong Correlations between Serum and Brain Tissue Levels by Ying Xue, Xin He, Huan-De Li, Yang Deng, Miao Yan, Hua-Lin Cai, Mi-Mi Tang, Rui-Li Dang, Pei Jiang

“…Serum and brain tissue were analyzed by HPLC-MS/MS with electrospray ionization following derivatization with 4-phenyl-1,2,4-triazoline-3,5-dione (PTAD). …”
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The Effects of Active Galactic Nuclei Feedback on the Lyα Forest Flux Power Spectrum by Megan Taylor Tillman, Blakesley Burkhart, Stephanie Tonnesen, Simeon Bird, Greg L. Bryan

“…The effects of AGN feedback can be seen across a large range of wavenumbers (1.5 × 10 ^−3  <  k  < 10 ^−1 s km ^−1 ) changing the ionization state of hydrogen in the IGM through heating. …”
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Simultaneous determination of nirmatrelvir, ritonavir, and beta-D-N4-hydroxycytidine in human plasma and epithelial lining fluid using LC-MS/MS and its clinical application to comp... by Wenjing Zhang, Lin Xia, Zhilong Yuan, Mengdan Liu, Yang Jiao, Zhuo Wang

“…The analysis method was developed and validated to simultaneously quantify nirmatrelvir, ritonavir, and beta-D-N4-hydroxycytidine (NHC) in human plasma and bronchoalveolar lavage fluid (BALF) by electrospray ionization mass spectrometry.Our method was validated over a linear range of 30–10000 ng/mL for both matrices, with precision and accuracy within 15 % across four concentrations. …”
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Association of ATM Gene Polymorphism with PTC Metastasis in Female Patients by Yulu Gu, Xiaoli Liu, Yaqin Yu, Jieping Shi, Lizhe Ai, Hui Sun, Joseph Sam Kanu, Chong Wang, Yawen Liu

“…Four ATM single nucleotide polymorphisms (SNPs) were genotyped using Matrix-Assisted Laser Desorption/Ionization Time of Flight Mass Spectrometry (MALDI-TOF-MS). …”
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Synovial Fluid Cell Proteomic Analysis Identifies Upregulation of Alpha-Taxilin Proteins in Rheumatoid Arthritis: A Potential Prognostic Marker by Ashish Sarkar, Shivani Sharma, Prachi Agnihotri, Tanmoy Sarkar, Pooja Kumari, Rajesh Malhotra, Barun Datta, Vijay Kumar, Sagarika Biswas

“…Two-dimensional gel electrophoresis (2-DE) was performed using synovial fluid cells of RA and osteoarthritis (OA) patients, and 7 differentially expressed proteins were identified using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS/MS). …”
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Evaluation of Fructooligosaccharides and Inulins as Potentially Health Benefiting Food Ingredients by HPAEC-PED and MALDI-TOF MS by Chiara Borromei, Maria Careri, Antonella Cavazza, Claudio Corradini, Lisa Elviri, Alessandro Mangia, Cristiana Merusi

“…This paper describes the complementarity of high-performance anion exchange chromatography coupled with pulsed electrochemical detection (HPAEC-PED) and matrix-assisted laser desorption/ionization mass spectrometry (MALDI-TOF-MS) to evaluate commercial available fructans (fructooligosaccharides (FOS) and inulins), having different degrees of polymerization (DP) which are usually employed by food industry as functional ingredients either for their prebiotic properties or as a fat replacer, giving a fat-like mouth feel and texture. …”
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Influence of Sulfur Fumigation on Angelicae Dahuricae Radix: Insights from Chemical Profiles, MALDI-MSI and Anti-Inflammatory Activities by Changshun Wang, Yongli Liu, Xiaolei Wang, Zhenhe Chen, Zhenxia Zhao, Huizhu Sun, Jian Su, Ding Zhao

“…Methods: This study used HPLC fingerprinting, matrix-assisted laser desorption/ionization mass spectrometry imaging (MALDI-MSI), in vitro anti-inflammatory assays, and metabolite analysis in blood based on UPLC-MS/MS to assess the impact of sulfur fumigation on the active ingredients of ADR. …”
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Identification of a putative novel polycyclic aromatic hydrocarbon-biodegrading gene cluster in a marine Roseobacteraceae bacterium Sagittula sp. MA-2 by Mayuko Abe, Miharu Sakai, Robert A. Kanaly, Jiro F. Mori

“…Catabolic functions of the enzymes encoded in strain MA-2 were predicted through the profiling of phenanthrene biotransformation products by liquid chromatography-electrospray ionization high-resolution mass spectrometry and substrate docking simulations using predicted three-dimensional structures of selected proteins, and phenanthrene biodegradation pathways were proposed. …”
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In vitro study reveals antimicrobial activity of essential oils against Klebsiella pneumoniae isolates from Nile tilapia by D. Vaneci-Silva, R. Nakamura-Silva, M. Oliveira-Silva, A. Pitondo-Silva, I. M. Assane, F. Pilarski

“…The EOs were characterized chemically using gas chromatography with a flame ionization detector and verified with mass spectrometry. …”
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Properties of κ‐Ga2O3 Prepared by Epitaxial Lateral Overgrowth by Alexander Polyakov, In‐Hwan Lee, Vladimir Nikolaev, Aleksei Pechnikov, Andrew Miakonkikh, Mikhail Scheglov, Eugene Yakimov, Andrei Chikiryaka, Anton Vasilev, Anastasia Kochkova, Ivan Shchemerov, Alexey Chernykh, Stephen Pearton

“…Low concentration Sn doping results in net donor concentrations of ≈ 1013 cm−3, and deep trap spectra determined by electron traps at EC‐0.5 eV, and deep acceptors with an optical ionization threshold near 2 and 3.1 eV. Treatment of the samples in hydrogen plasma at 330 °C increases the donor density near the surface to ≈ 1019 cm−3. …”
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Rapid detection of carbapenem-resistant Escherichia coli and carbapenem-resistant Klebsiella pneumoniae in positive blood cultures via MALDI-TOF MS and tree-based machine learning... by Xiaobo Xu, Zhaofeng Wang, Erjie Lu, Tao Lin, Hengchao Du, Zhongfei Li, Jiahong Ma

“…This study was based on matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS), Decision Tree (DT), Random Forest (RF), Gradient Boosting Machine (GBM), eXtreme Gradient Boosting (XGBoost), and Extremely Randomized Trees (ERT) models were constructed to classify carbapenem-resistant Escherichia coli (CREC) and carbapenem-resistant Klebsiella pneumoniae (CRKP). …”
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Untargeted Metabolomics Reveals Key Differences Between Yak, Buffalo, and Cow Colostrum Based on UHPLC-ESI-MS/MS by Yuzhuo Wang, Changhui Li, Jiaxiang Huang, Qingkun Zeng, Ling Li, Pan Yang, Pengjie Wang, Min Chu, Jie Luo, Fazheng Ren, Hao Zhang

“…Methods: This study employed ultra-high performance liquid chromatography-electrospray ionization tandem mass spectrometry (UHPLC-ESI-MS/MS) for untargeted metabolomics analysis of YC, BC, and CC. …”
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Determination of antibiotics in bean sprouts by UHPLC-MS/ MS-internal standard method by ZHANG Xiaoyi, ZHENG Sanyan, ZHANG Xiuyao, LI Ruifen, YANG Shuran

“…The separated analytes were detected by the electrospray ionization (ESI) in multiple reaction monitoring (MRM) mode, and quantified by internal standard method.ResultsThe 59 kinds of antibiotics in bean sprouts had a good linear relationship in the range of 10 μg·kg-1 to 1 000 μg·kg-1. …”
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Decoding MexB efflux pump genes: structural, molecular, and phylogenetic analysis of multidrug-resistant and extensively drug-resistant Pseudomonas aeruginosa by Muhammad Bilal Habib, Naseer Ali Shah, Afreenish Amir, Huda Ahmed Alghamdi, Muhammad Haseeb Tariq, Kiran Nisa, Mariam Ammoun

“…Matrix-assisted laser desorption ionization-time of flight (MALDI-ToF) were used for the identification of isolates. …”
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Determination of Per- and Polyfluoroalkyl Substances in Craft Villages and Industrial Environments of Vietnam by Thi Vi Phung, Thuy Ngoc Nguyen, Lan-Anh Phan Thi, Hung Viet Pham, Hong Anh Duong

“…Eight PFASs in wastewater from craft villages and industrial environments of Vietnam were analyzed using liquid chromatography triple quadrupole mass spectrometry (LC-MS/MS) with negative electrospray ionization interface. For analysis of PFASs, percent recoveries ranged from 87 to 112, and MQL varied from 0.19 ng/L to 0.49 ng/L. …”
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Tissue Distribution of Total Flavonoids Extracts of Drynariae Rhizoma in Young and Old Rats by UPLC–MS/MS Determination by Yue Zhang, Xia Lei, Hongdan Xu, Guoliang Liu, Yeqiu Wang, Huifeng Sun, Fang Geng, Ning Zhang

“…All analytes and IS were quantified through electrospray ionization in positive ion multiple reaction monitoring (MRM) mode. …”
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Detection Methods for Asparagine and Glutamine Contents in Fruits and Vegetables and Recommendations for Dietary Intake of Fruits and Vegetables in Patients with Urea Cycle Disorde... by YE Xinyu, LI Ziying, TANG Shujun, SUN Liping, ZHAO Yunxia, XIAO Weimin, GU Yaping, KUANG Huiying, CHEN Xin, YANG Guowu, HUANG Yali

“…The mass spectrometer was equipped with an electrospray ionization source and operated in the positive ion mode with multiple reaction monitoring (MRM), and quantification was achieved using stable isotope-labeled internal standards. …”
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